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Commit ecb400ca authored by Sylwester Nawrocki's avatar Sylwester Nawrocki Committed by Mark Brown
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ASoC: samsung: odroidx2: Handle I2S CDCLK clock conditionally 



In order to support old DTs we check the codec device node if it
contains "clocks" property and only if it doesn't (which indicates
an old DT) we proceed with enabling the CDCLK clock by means of
the set_sysclk() callback.  For new DTs which use the common clock
bindings for CDCLK that clock is supposed to be handled outside
the sound machine driver.

Signed-off-by: default avatarSylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent ce8bcdbb

sound/soc/samsung/odroidx2_max98090.c

+5 −1
Original line number Diff line number Diff line
@@ -21,6 +21,8 @@ struct odroidx2_drv_data { 
/* The I2S CDCLK output clock frequency for the MAX98090 codec */

#define MAX98090_MCLK 19200000



static struct snd_soc_dai_link odroidx2_dai[];



static int odroidx2_late_probe(struct snd_soc_card *card)

{

	struct snd_soc_dai *codec_dai = card->rtd[0].codec_dai;
@@ -29,7 +31,9 @@ static int odroidx2_late_probe(struct snd_soc_card *card) 


	ret = snd_soc_dai_set_sysclk(codec_dai, 0, MAX98090_MCLK,

						SND_SOC_CLOCK_IN);

	if (ret < 0)



	if (ret < 0 || of_find_property(odroidx2_dai[0].codec_of_node,

					"clocks", NULL))

		return ret;



	/* Set the cpu DAI configuration in order to use CDCLK */